San Francisco 49ers quarterback Colin Kaepernick (7) celebrates with receiver Anquan Boldin (81) after scoring on a 4-yard touchdown run in the fourth quarter against the Atlanta Falcons in the final regular season game at Candlestick Park. Kirby Lee, USA TODAY Sports

Green Bay Packers running back Eddie Lacy (27) leaps for a touchdown during the first quarter against the Pittsburgh Steelers at Lambeau Field. Jeff Hanisch, USA TODAY Sports

San Diego Chargers receiver Keenan Allen (13) and receiver Eddie Royal (11) celebrate after a touchdown reception during the second half against the Oakland Raiders at Qualcomm Stadium. Christopher Hanewinckel, USA TODAY Sports

New Orleans Saints safety Malcolm Jenkins celebrates after making an interception during the first quarter against the Carolina Panthers. Sam Sharpe, USA TODAY Sports

New Orleans Saints safety Kenny Vaccaro (32) gets a handshake from wide receiver Marques Colston (12) after being injured and carted off in a game against the Carolina Panthers. Sam Sharpe, USA TODAY Sports

Minnesota Vikings cornerback Shaun Prater is checked by trainers after an injury on the field during the first quarter against the Cincinnati Bengals. Marc Lebryk, USA TODAY Sports